Hello Fabio,
In in item-post.php replace:
<fieldset class="s2">
<h2><?php _e('Location', 'delta'); ?></h2>
<div class="in">
<div id="location-picker" class="loc-picker picker-v2 ctr-<?php echo (del_count_countries() == 1 ? 'one' : 'more'); ?>">
<label for="term2"><span><?php _e('Where is your item located?', 'delta'); ?></span><span class="req">*</span></label>
<div class="mini-box">
<input type="text" id="term2" class="term2" placeholder="<?php _e('City/Region', 'delta'); ?>" value="<?php echo del_get_term('', $prepare['i_country'], $prepare['i_region'], $prepare['i_city']); ?>" autocomplete="off" readonly/>
<i class="fa fa-angle-down"></i>
</div>
<?php $countries = Country::newInstance()->listAll(); ?>
<div class="shower-wrap">
<div id="shower" class="shower <?php if(is_array($countries) && count($countries) > 1) { ?>multi-country<?php } ?>">
<?php echo del_locbox_short($prepare['i_country'], $prepare['i_region'], $prepare['i_city']); ?>
<a href="#" class="btn btn-primary mbBg loc-confirm isMobile"><i class="far fa-check-square"></i> <?php _e('Submit', 'delta'); ?></a>
<div class="button-wrap isTablet isDesktop">
<a href="#" class="btn btn-primary mbBg loc-confirm"><i class="far fa-check-square"></i> <?php _e('Submit', 'delta'); ?></a>
</div>
</div>
</div>
<div class="loader"></div>
</div>
<div class="loc-more">
<div class="row city-area">
<label for="address"><?php _e('City Area', 'delta'); ?></label>
<div class="input-box"><?php ItemForm::city_area_text($prepare); ?></div>
</div>
<div class="row address">
<label for="address"><?php _e('Address', 'delta'); ?></label>
<div class="input-box"><?php ItemForm::address_text($prepare); ?></div>
</div>
<div class="row zip">
<label for="address"><?php _e('ZIP', 'delta'); ?></label>
<div class="input-box"><?php ItemForm::zip_text($prepare); ?></div>
</div>
</div>
</div>
</fieldset>
with
<fieldset class="s2">
<h2><?php _e('Location', 'delta'); ?></h2>
<div class="in">
<div id="location-picker" class="loc-picker picker-v2 ctr-<?php echo (del_count_countries() == 1 ? 'one' : 'more'); ?>">
<label for="term2"><span><?php _e('City', 'delta'); ?></span><span class="req">*</span></label>
<div class="mini-box">
<div id="location-picker" class="loc-picker ctr-<?php echo (del_count_countries() == 1 ? 'one' : 'more'); ?>">
<input type="text" name="term" id="term" class="term" placeholder="<?php _e('City/Region', 'delta'); ?>" value="<?php echo del_get_term(Params::getParam('term'), del_ajax_country(), del_ajax_region(), del_ajax_city()); ?>" autocomplete="off"/>
<i class="fa fa-angle-down"></i>
<div class="shower-wrap">
<div class="shower" id="shower">
<?php echo del_def_location(); ?>
</div>
</div>
<div class="loader"></div>
</div></div>
<div class="loader"></div>
</div>
</div>
</fieldset>